Ifor Williams Trailer Hub Cap - 76mm - 2 Pack

These hub caps are designed specifically for Ifor Williams trailer suspension systems. They are co...

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B&QB&Q - 2 X Grey Plastic Hub Cap Grease Dust Bearing Cap 76mm For Ifor Williams Trailers
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eBay2 x Grey Plastic Hub Cap Grease Dust Bearing Cap 76mm For Ifor Williams Trailers
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Product Information

Full details

The AB Tools Ifor Williams Trailer Hub Cap is an essential maintenance component designed for owners of Ifor Williams trailers equipped with 76mm bearings and bolt-on Knott brakes. These grey, hardened plastic caps provide a robust barrier against road debris, water, and grit, which is critical for extending the lifespan of your trailer's wheel bearings and braking system. While these are highly effective for their specific application, users must ensure their trailer hub matches the exact 76mm internal diameter specification, as they are not a universal fit for all trailer types.

All features

Model Part NumberBS045_PAIR
BrandAB Tools

Extended Product Information

FAQs

Will these fit my trailer if it was made in 1992?

No, these are specifically designed for Ifor Williams trailers with Knott brakes manufactured from 1996 onwards.

How do I measure my hub to check compatibility?

Remove the existing cap and measure the inside diameter of the opening. It must be exactly 76mm.

How many caps are included in the package?

The product is sold as a 2-pack, which is sufficient for one axle.

Can I reuse these after removing them to grease the bearings?

While it is possible if they remain in good condition, it is recommended to inspect for cracks before re-inserting them, as the plastic can harden over time.

Are these caps metal or plastic?

These are made from a durable, hardened plastic.

Troubleshooting

The cap feels loose and will not stay in the hub.

Verify that your hub internal diameter is exactly 76mm. If the hub is worn or oversized, the cap will not seal correctly.

Difficulty pushing the cap into place.

Ensure the rim of the hub is clean and free of old sealant or burrs. You may use a light tap with a rubber mallet, but do not use a metal hammer as it will crack the plastic.

Pros and Cons

Pros

  • Durable hardened plastic construction
  • Prevents ingress of contaminants into the bearing assembly
  • Specifically designed for Ifor Williams compatibility
  • Easy to install without specialized tools

Cons

  • Not compatible with older pre-1996 hub designs
  • Requires exact internal diameter measurement for secure fit
  • Limited to specific Knott braking systems

Setup, Compatibility & Care

Compatibility

This product is compatible with:

  • Ifor Williams trailers featuring bolt-on Knott brakes.
  • Hubs with a 76mm internal diameter.
  • Trailers manufactured from 1996 onwards.

Installation

  1. Ensure the trailer is safely supported on jack stands and the wheel is removed.
  2. Clean the interior rim of the hub to remove any old grease or debris.
  3. Press the new cap into the hub by hand or with a soft-faced mallet. Ensure it is seated flush against the metal housing.

Care

  • Check the caps for tightness after your first journey following installation.
  • If the plastic shows signs of brittleness or cracking due to prolonged sun exposure, replace the pair.

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